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Special Notice #245: Outburst of SV Ari

August 2, 2011: SV Ari, a suspected WZ Sge star, has gone into outburst. Rod Stubbings posted a 15.0 magnitude estimate on 110802.788 that has been confirmed by Gianluca Masi. Gary Poyner says:

"Discovered by M & G Wolf on Heidelberg plates taken in November 1905 at mag 12.0p. Kimpel & Jansch reported a possible sighting in September 1943, but this was not confirmed. Nothing has been seen since."

Located at 03 25 03.34 +19 49 52.9 J2000, SV Ari has a good BV sequence and so is an excellent target for CCD and visual observers alike. As usual, early photometry is needed; please take filtered time series observations with exposures long enough to reach S/N=50.